Data Translation DT3145, User Manual

Page 1: ...DT3145 UM 19603 B User s Manual...

Page 2: ...s of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent rights of Data Translation Inc Use duplication or disclos...

Page 3: ...es or modifications to this equipment not expressly approved by Data Translation could void your authority to operate the equipment under Part 15 of the FCC Rules Note This product was FCC Certified u...

Page 4: ......

Page 5: ...Operation 1 Video Input 4 Camera Link Cameras Supported 4 Data Formats 4 Triggers 5 Area Scan Mode 5 Line Scan Mode 6 Controlling the Acquisition of Lines 6 Controlling the Acquisition of Lines and Fr...

Page 6: ...Strobe Output Signal 19 General Purpose Output Signal 20 Digital I O Signals 21 Appendix A Specifications 23 Appendix B Connector Pin Assignments 27 J2 Connector 28 STP15 Connectors and Screw Terminal...

Page 7: ...acteristics of your camera What You Should Learn from this Manual This manual provides detailed information about the features of the DT3145 board It is organized as follows Principles of Operation de...

Page 8: ...l GS3145 PDF included on the Imaging OMNI CD describes how to set up install and wire signals to the DT3145 board how to configure the DT3145 Device Driver how to verify the operation of the board and...

Page 9: ...and coding Baxes Gregory A Digital Image Processing Principles Applications New York John Wiley Sons 1994 Introduction to image processing and hardware software basics Benson K Blair and Donald G Fink...

Page 10: ...feld Azriel and Avinash C Kak Digital Picture Processing New York Academic Press Inc 1990 Describes image processing techniques and concepts Russ John C Computer Assisted Microscopy The Measurement an...

Page 11: ...1 Principles of Operation Video Input 4 Acquiring Images 10 Displaying Images 15 Camera Control Output Signals 17 Digital I O Signals 21...

Page 12: ...This chapter describes the features of the DT3145 frame grabber board from a functional point of view To aid the discussions in this chapter refer to the block diagram of the DT3145 shown in Figure 1...

Page 13: ...CQ_CLK DIGITAL I O CONTROL DIGITAL_IN 3 0 CHANNEL LINK RECEIVER SP DVAL FVAL LVAL LVDS DRIVER CAMCTRL1 CAMCTRL2 CAMCTRL3 CAMCTRL4 UART LVDS DRIVER RECEIVER UART_BUS 8 bit RS232_TX RS232_RX ISO_TRIGGER...

Page 14: ...02K the Basler A102K and the Dalsa Dalstar DS 11 1M28 camera Note The list of supported cameras is constantly expanding Refer to the Data Translation web site www datatranslation com for information o...

Page 15: ...it data formats single port and dual port require 2 bytes per pixel and RGB data formats require 4 bytes per pixel Triggers The following sections describe how to use triggers to control the acquisiti...

Page 16: ...ring one ROI or an ExternalForEach trigger for use when acquiring one or more ROIs Line Scan Mode In line scan mode you can use a line trigger to control the acquisition of individual lines and or a f...

Page 17: ...lines you use an external line trigger set to ExternalForEach as described in the previous section to control the acquisition of individual lines and an external frame trigger to control the acquisit...

Page 18: ...uisition of each frame is less than 1 ms Look Up Tables LUTs The DT3145 board provides two LUTs 0 and 1 that you can use to change the value of an incoming pixel or affect the displayed image When the...

Page 19: ...0 or the default LUT 1 try using software to load one of the LUT files shipped on the Imaging ONMI CD These LUT files are located in C Program Files Data Translation DT3145 LUTFiles by default It is s...

Page 20: ...g sections Area Scan Mode In an area scan operation you acquire regions of interest ROIs also called areas of interest or AOIs Using software you can specify the size of your ROI Note The maximum size...

Page 21: ...e Scan Mode In a line scan operation you can acquire a single line or you can acquire multiple lines to build your own frame You can use the following settings to define the size of the line frame Lin...

Page 22: ...ers as 3 When the acquisition operation is started the software allocates three buffers acquires the first ROI and saves it in buffer 1 acquires the second ROI and saves it in buffer 2 acquires the th...

Page 23: ...f buffers as 3 When the acquisition operation is started the software allocates three buffers acquires the first ROI and stores it in buffer 1 acquires the second ROI and stores it in buffer 2 then ac...

Page 24: ...ve to be contiguous The board operates as a PCI bus initiator master using burst mode for data transfers to memory Typical video transfer rates are 80 MB s maximum 132 MB s Data is stored in the same...

Page 25: ...your display window In this case you cannot display the entire ROI frame By default the upper left corner of the display window the source origin and the upper left corner of the acquired ROI frame ar...

Page 26: ...default to the ROI height When set the displayed ROI frame shifts to the new position Note If you want your end user to view the entire image you can add scroll bars to your application program Overla...

Page 27: ...purpose output signal Note Refer to your camera documentation to determine which of these signals are required by your camera and which particular camera control output lines your camera uses The fol...

Page 28: ...it is recommended that you use the smallest time granularity possible Integrate Output Signal If your camera supports integrate output signals you can use one of the camera control output lines to ge...

Page 29: ...camera supports strobe output signals you can use one of the camera control output lines to generate a strobe output pulse If you enable the strobe output pulse through software you can also use softw...

Page 30: ...For best results it is recommended that you use the smallest time granularity possible You can also access the strobe output signal through the STROBE screw terminal on the STP15 screw terminal panel...

Page 31: ...level a bit value of 1 identifies a high TTL level The DT3145 can generate a PCI bus interrupt when one or more of the digital input lines changes state This feature is useful when you want to monitor...

Page 32: ...Digital I O Signals 22...

Page 33: ...23 A Specifications...

Page 34: ...utput Electrical Specifications Feature Minimum Specification Maximum Specification High Level Output Current IOH N A 24 mA Low Level Output Current IOL N A 24 mA High Level Output Voltage VOH 4 V N A...

Page 35: ...al Maximum 40 mA 50 mA 3 3 V Typical Maximum 250 mA 375 mA Total Power Typical Maximum 1 W 1 5 W Table 4 Physical and Environmental Specifications Feature Specification Dimensions Overall including fa...

Page 36: ...Table 5 Connector Specifications Connector Specifications DT3145 J1 Connector Camera Link MDR 26 connector DT3145 J2 Connector AMP 15 pin subminiature D connector HTEMP R A REC part number 748390 5 DT...

Page 37: ...27 B Connector Pin Assignments J2 Connector 28 STP15 Connectors and Screw Terminals 30...

Page 38: ...labelled J2 which accommodates the digital I O trigger input strobe output and 5 V output signals Figure 3 illustrates the pin locations of connector J2 Table 4 describes the pin assignments of this...

Page 39: ...ents Pin Description Pin Description 1 Digital Input 0 2 Digital Input 1 3 Digital Input 2 4 Digital Input 3 5 Ground 6 Digital Output 0 7 Digital Output 1 8 Digital Output 2 9 Not Connected 10 Ground...

Page 40: ...B2 The 15 pin connector provides access to the signals from connector J2 on the DT3145 board Figure 4 shows the layout of the STP15 and the screw terminal descriptions Figure 4 Layout of the STP15 Scr...

Page 41: ...s to digital ground signals and 5 V refers to a 5 V 250 mA output signal from the DT3145 board The dark filled circles in Figure 4 represent holes that you can use to mount the STP15 on a DIN rail To...

Page 42: ...Appendix B 32...

Page 43: ...33 C Values for Use with the DT Active Camera Link Frame Grabber Control...

Page 44: ...5 Values Default General Properties ActiveLUT 0 or 1 0 Timeout 0 to 65535 s in increments of 1 s 10 DisplayMode DDI GDI DDI DrawXOrigin 0 to ROIWidth 0 DrawYOrigin 0 to ROIHeight 0 Camera Control Outp...

Page 45: ...eEnabled TRUE or FALSE FALSE ExposePulseWidth 1 to 65535 in increments of 1b c 100 ExposePolarity ActiveHigh ActiveLow ActiveHigh ExposeDelay 1 to 65535 in increments of 1b c 1 Integrate Output Signal...

Page 46: ...Internal TriggerTransition OnHighToLow OnLowToHigh OnLowToHigh Digital Image Properties ActivePixelCount 1 to 16384 in increments of 1d 640 ActiveLineCount 1 to 16384 in increments of 1d 480 AcquireT...

Page 47: ...onochrome data formats 0 to 4094 in increments of 2 For RGB32 data format 0 to 2047 in increments of 1 0 RoiWidthd For 8 bit monochrome data format 8 to 2048 in increments of 8 or 2064 to 4096 in incr...

Page 48: ...32 data format 1 to 2048 in increments of 1 1 Line Scan Properties LineScanLeft 0 to 4095 in increments of 1 0 LineScanWidth 8 to 16384 in increments of 8 640 LineScanFrameHeight 1 to 16384 in increme...

Page 49: ...ts it is recommended that you use the smallest time granularity possible b The value you specify is used with the TimeGranularity property to determine the setting for this property c The longest dela...

Page 50: ...Appendix C 40...

Page 51: ...tate 21 connector J2 28 30 continuous mode 13 conventions used viii D data formats 4 data storage 14 data transfer 14 DataFormat property 36 digital I O properties 37 digital I O signals 21 digital im...

Page 52: ...ineScanWidth property 38 look up tables 8 LUT 8 O origin source 15 output signals expose 17 from camera control output lines 17 general purpose 20 integrate 18 strobe 19 overlay properties 39 OverlayB...

Page 53: ...ion 36 TriggerType 36 pulse width expose output signal 18 integrate output signal 18 strobe output signal 19 R region of interest 10 region of interest properties 37 related documents viii ROI 10 RoiH...

Page 54: ...gnal 18 strobe output signal 19 TimeGranularity property 34 Timeout property 34 trigger properties 36 triggers 5 TriggerTransition property 36 TriggerType property 36 V video formats 4 video input 4 X...